Welcome!
Interested in bringing your own modem? Before purchasing, or to check your current modem, use this site to easily determine if your device is approved for Xfinity Internet and/or Voice service and will support your Internet speed.
To begin, sign in or enter your address below. For instructions on how to find the right device,click here
Forgot yourusernameorpassword?
Learn how to activate your new modem,click here
Comcast Business customer?
Find business DevicesNot sure about buying?
Consider the benefits of renting from us, such as the added protection of regular security updates and guest access to Xfinity WIFI hotspots* in your home without sharing your password.
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*Included in Internet plans of 25 Mbps or higher.